Despite the many things that were changed since Dungeon Siege 2, Gas Powered Games' decision to keep point-and-click character movement may have been the wrong one. Since left-clicking moves the character and right-clicking is to attack, doing both at the same time is impossible. Sure, one could argue that this makes the game more difficult or painfully annoying, but most gamers, even FPS-oriented ones, shouldn't find it too difficult to master.

While point-and-click character movement and combat isn't exactly ideal, the controls also suffer from a lack of customization. While most games make up for faulty controls by allowing the player to customize them, Space Siege has no such feature, forcing the player to play the game with default controls. Even though the ability to remap specific controls to different keys isn't available, if the game had utilized a more console-style configuration, which allows players to switch between different preset control schemes, it would have been better than nothing. Unfortunately, Space Siege offers neither and leaves the player at a loss in this regard.

The voice acting isn't exactly the greatest, but it isn't terrible overall. Nevertheless, some voices can be difficult to take and others don't really breathe much life into the characters. In fact, the voice acting lacks any real emotion, similar to that in GPG's Supreme Commander. While good voice acting for an RTS game that's focused on large-scale combat isn't such an issue, good voice acting for an Action/RPG is essential.

Despite the distanced, third-person perspective, Space Siege manages to provide quality sound effects. Unfortunately, there isn't much in the way of variety, so no matter how immersive the effects are, they become repetitive. All the weapons have a unique sound, but that probably wasn't difficult considering there are a total of eight.

The music isn't going to drive gamers to purchase the soundtrack, if there was one, but it isn't going to make them hurl their speakers or headphones off a bridge either. In fact, the music, when compared to the sound effects and voice acting, is the best at creating any real tension or atmosphere. Unfortunately, that very same tense atmosphere is almost instantly driven off by the sounds of a voice actor overdoing some lines on a piece of paper.

Space Siege hails itself as an Action/RPG, but it seems to lack almost all the characteristics of an RPG. The player does have two different skill trees on which to place skill points: Combat and Engineering. The Combat tree has a number of different skills involving damage percentages and armor buffs, while the Engineering tree involves skills that improve the player's ability to craft helpful gun sentries, combat robots, and buff the main robot companion known as HR-V (Har-vee).